package com.sykj.uusmart.dbconfig;

import com.alibaba.druid.pool.DruidDataSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;

import javax.sql.DataSource;
import java.sql.SQLException;

@Configuration
@RefreshScope
public class DruidDBConfig {
    private Logger logger = LoggerFactory.getLogger(DruidDBConfig.class);

    @Value("${spring.datasource.url}")
    private String dbUrl;

    @Value("${spring.datasource.username}")
    private String username;

    @Value("${spring.datasource.password}")
    private String password;

    @Value("${spring.datasource.driverClassName}")
    private String driverClassName;

    @Value("${spring.datasource.initialSize}")
    private int initialSize;

    @Value("${spring.datasource.minIdle}")
    private int minIdle;

    @Value("${spring.datasource.maxActive}")
    private int maxActive;

    @Value("${spring.datasource.maxWait}")
    private int maxWait;

    @Value("${spring.datasource.timeBetweenEvictionRunsMillis}")
    private int timeBetweenEvictionRunsMillis;

    @Value("${spring.datasource.minEvictableIdleTimeMillis}")
    private int minEvictableIdleTimeMillis;

    @Value("${spring.datasource.validationQuery}")
    private String validationQuery;

    @Value("${spring.datasource.testWhileIdle}")
    private boolean testWhileIdle;

    @Value("${spring.datasource.testOnBorrow}")
    private boolean testOnBorrow;

    @Value("${spring.datasource.testOnReturn}")
    private boolean testOnReturn;

    @Value("${spring.datasource.poolPreparedStatements}")
    private boolean poolPreparedStatements;

    @Value("${spring.datasource.maxPoolPreparedStatementPerConnectionSize}")
    private int maxPoolPreparedStatementPerConnectionSize;

    @Value("${spring.datasource.filters}")
    private String filters;

    @Value("${spring.datasource.connectionProperties}")
    private String connectionProperties;

    @Bean     //声明其为Bean实例
    @Primary  //在同样的DataSource中，首先使用被标注的DataSource
    public DataSource dataSource(){
    	DruidDataSource datasource = new DruidDataSource();

    	datasource.setUrl(this.dbUrl);
    	datasource.setUsername(username);
    	datasource.setPassword(password);
    	datasource.setDriverClassName(driverClassName);
    	datasource.setInitialSize(initialSize);
    	datasource.setMinIdle(minIdle);
    	datasource.setMaxActive(maxActive);
    	datasource.setMaxWait(maxWait);
//        datasource.setRemoveAbandoned(false);
    	datasource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
    	datasource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
    	datasource.setValidationQuery(validationQuery);
    	datasource.setTestWhileIdle(testWhileIdle);
    	datasource.setTestOnBorrow(testOnBorrow);
    	datasource.setTestOnReturn(testOnReturn);
    	datasource.setPoolPreparedStatements(poolPreparedStatements);
    	datasource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
    	try {
			datasource.setFilters(filters);
		} catch (SQLException e) {
			logger.error("druid configuration initialization filter", e);
		}
    	datasource.setConnectionProperties(connectionProperties);

    	return datasource;
    }
}
